Ngā Whakaritenga Rauemi
Ko te rauemi o te kōpae parai e whakamahi ana i te paerewa rino maka hina 250 o tōku whenua, e kiia nei ko HT250, he rite ki te paerewa G3000 o Amerika. Ko ngā whakaritenga mō ngā huānga matua e toru o te hanganga matū ko: C: 3.1∽3.4 Si: 1.9∽2.3 Mn: 0.6∽0.9. Ngā whakaritenga mahi ā-mīhini: kaha kume>=206MPa, kaha piko>=1000MPa, piko>=5.1mm, ngā whakaritenga pakeke i waenga i: 187∽241HBS.
